#ifndef __SETUP_ONCE_H
#define __SETUP_ONCE_H
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at http://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * $Id: setup_once.h,v 1.35 2008-08-27 00:25:03 yangtse Exp $
 ***************************************************************************/


/********************************************************************
 *                              NOTICE                              *
 *                             ========                             *
 *                                                                  *
 *  Content of header files lib/setup_once.h and ares/setup_once.h  *
 *  must be kept in sync. Modify the other one if you change this.  *
 *                                                                  *
 ********************************************************************/


/*
 * Inclusion of common header files.
 */


/*
 * Definition of timeval struct for platforms that don't have it.
 */



/*
 * If we have the MSG_NOSIGNAL define, make sure we use
 * it as the fourth argument of function send()
 */

#ifdef HAVE_MSG_NOSIGNAL
#define SEND_4TH_ARG MSG_NOSIGNAL
#else
#define SEND_4TH_ARG 0
#endif


/*
 * Windows build targets have socklen_t definition in
 * ws2tcpip.h but some versions of ws2tcpip.h do not
 * have the definition. It seems that when the socklen_t
 * definition is missing from ws2tcpip.h the definition
 * for INET_ADDRSTRLEN is also missing, and that when one
 * definition is present the other one also is available.
 */
#ifndef socklen_t
#define socklen_t int
#endif

#define sread(x,y,z) (ssize_t)lwip_recv((RECV_TYPE_ARG1)(x), \
                                   (RECV_TYPE_ARG2)(y), \
                                   (RECV_TYPE_ARG3)(z), \
                                   (RECV_TYPE_ARG4)(0))


#define swrite(x,y,z) (ssize_t)lwip_send((SEND_TYPE_ARG1)(x), \
                                    (SEND_TYPE_ARG2)(y), \
                                    (SEND_TYPE_ARG3)(z), \
                                    (SEND_TYPE_ARG4)(SEND_4TH_ARG))
/*
 * Uppercase macro versions of ANSI/ISO is*() functions/macros which
 * avoid negative number inputs with argument byte codes > 127.
 */

#define in_range(c, lo, up)  ((unsigned char)c >= lo && (unsigned char)c <= up)
//#define isprint(c)           in_range(c, 0x20, 0x7f)
#define isdigit(c)           in_range(c, '0', '9')

#define ISSPACE(x)  (isspace((int)  ((unsigned char)x)))
#define ISDIGIT(x)  (isdigit((int)  ((unsigned char)x)))
#define ISALNUM(x)  (isalnum((int)  ((unsigned char)x)))
#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
#define ISGRAPH(x)  (isgraph((int)  ((unsigned char)x)))
#define ISALPHA(x)  (isalpha((int)  ((unsigned char)x)))
#define ISPRINT(x)  (isprint((int)  ((unsigned char)x)))
#define ISUPPER(x)  (isupper((int)  ((unsigned char)x)))
#define ISLOWER(x)  (islower((int)  ((unsigned char)x)))

#define ISBLANK(x)  (int)((((unsigned char)x) == ' ') || \
                          (((unsigned char)x) == '\t'))


/*
 * Typedef to 'unsigned char' if bool is not an available 'typedefed' type.
 */

#ifndef HAVE_BOOL_T
typedef unsigned char bool;
#define HAVE_BOOL_T
#endif


/*
 * Default definition of uppercase TRUE and FALSE.
 */

#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif


/*
 * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
 */

#ifndef HAVE_SIG_ATOMIC_T
typedef int sig_atomic_t;
#define HAVE_SIG_ATOMIC_T
#endif


/*
 * Convenience SIG_ATOMIC_T definition
 */

#ifdef HAVE_SIG_ATOMIC_T_VOLATILE
#define SIG_ATOMIC_T static sig_atomic_t
#else
#define SIG_ATOMIC_T static volatile sig_atomic_t
#endif


/*
 * Default return type for signal handlers.
 */

#ifndef RETSIGTYPE
#define RETSIGTYPE void
#endif


/*
 * Macro used to include code only in debug builds.
 */

//#ifdef CURLDEBUG
#define DEBUGF(x) x
//#else
//#define DEBUGF(x) do { } while (0)
//#endif


#define stdin NULL
#define stdout NULL
#define stderr NULL


/*
 * Macro used to include assertion code only in debug builds.
 */

#if defined(CURLDEBUG) && defined(HAVE_ASSERT_H)
#define DEBUGASSERT(x) ASSERT(x)
#else
#define DEBUGASSERT(x) do { } while (0)
#endif


/*
 * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
 * (or equivalent) on this platform to hide platform details to code using it.
 */
extern int errno;

#ifdef USE_WINSOCK
#define SOCKERRNO         ((int)WSAGetLastError())
#define SET_SOCKERRNO(x)  (WSASetLastError((int)(x)))
#else
#define SOCKERRNO         (errno)
#define SET_SOCKERRNO(x)  (errno = (x))
#endif


/*
 * Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno
 * (or equivalent) on this platform to hide platform details to code using it.
 */

#ifdef WIN32
#define ERRNO         ((int)GetLastError())
#define SET_ERRNO(x)  (SetLastError((DWORD)(x)))
#else
#ifdef ERRNO
#undef ERRNO
#endif
#define ERRNO         (errno)
#define SET_ERRNO(x)  (errno = (x))
#endif


/*
 * Portable error number symbolic names defined to Winsock error codes.
 */

#ifdef USE_WINSOCK
#undef  EBADF            /* override definition in errno.h */
#define EBADF            WSAEBADF
#undef  EINTR            /* override definition in errno.h */
#define EINTR            WSAEINTR
#undef  EINVAL           /* override definition in errno.h */
#define EINVAL           WSAEINVAL
#define EWOULDBLOCK      WSAEWOULDBLOCK
#define EINPROGRESS      WSAEINPROGRESS
#define EALREADY         WSAEALREADY
#define ENOTSOCK         WSAENOTSOCK
#define EDESTADDRREQ     WSAEDESTADDRREQ
#define EMSGSIZE         WSAEMSGSIZE
#define EPROTOTYPE       WSAEPROTOTYPE
#define ENOPROTOOPT      WSAENOPROTOOPT
#define EPROTONOSUPPORT  WSAEPROTONOSUPPORT
#define ESOCKTNOSUPPORT  WSAESOCKTNOSUPPORT
#define EOPNOTSUPP       WSAEOPNOTSUPP
#define EPFNOSUPPORT     WSAEPFNOSUPPORT
#define EAFNOSUPPORT     WSAEAFNOSUPPORT
#define EADDRINUSE       WSAEADDRINUSE
#define EADDRNOTAVAIL    WSAEADDRNOTAVAIL
#define ENETDOWN         WSAENETDOWN
#define ENETUNREACH      WSAENETUNREACH
#define ENETRESET        WSAENETRESET
#define ECONNABORTED     WSAECONNABORTED
#define ECONNRESET       WSAECONNRESET
#define ENOBUFS          WSAENOBUFS
#define EISCONN          WSAEISCONN
#define ENOTCONN         WSAENOTCONN
#define ESHUTDOWN        WSAESHUTDOWN
#define ETOOMANYREFS     WSAETOOMANYREFS
#define ETIMEDOUT        WSAETIMEDOUT
#define ECONNREFUSED     WSAECONNREFUSED
#define ELOOP            WSAELOOP
#ifndef ENAMETOOLONG     /* possible previous definition in errno.h */
#define ENAMETOOLONG     WSAENAMETOOLONG
#endif
#define EHOSTDOWN        WSAEHOSTDOWN
#define EHOSTUNREACH     WSAEHOSTUNREACH
#ifndef ENOTEMPTY        /* possible previous definition in errno.h */
#define ENOTEMPTY        WSAENOTEMPTY
#endif
#define EPROCLIM         WSAEPROCLIM
#define EUSERS           WSAEUSERS
#define EDQUOT           WSAEDQUOT
#define ESTALE           WSAESTALE
#define EREMOTE          WSAEREMOTE
#endif



/*
 * We use this ZERO_NULL to avoid picky compiler warnings,
 * when assigning a NULL pointer to a function pointer var.
 */

#define ZERO_NULL 0




#endif /* __SETUP_ONCE_H */

